How we 'hear' the shape of a drum

How is it that we can recognise the shape of an object despite only seeing a limited range of wave lengths? Radboud mathematician Walter van Suijlekom explains in a new publication in the journal Communications in Mathematical ...

The origin of the Moon and its composition

The Moon is thought to have formed from the debris of a small planet that collided with the Earth. Since the composition of other planets in the solar system differs from that of the Earth, it was expected that the Moon's ...

True holographic movies are within grasp

Holographic movies, like the one R2D2 projected of Princess Leia in "Star Wars: A New Hope," have long been the province of science fiction, but for most of us, the extent of our experience with holograms may be the dime-sized ...

A new way of looking at the Earth's interior

Current understanding is that the chemical composition of the Earth's mantle is relatively homogeneous. But experiments conducted by ETH researchers now show that this view is too simplistic. Their results solve a key problem ...

A metal composite that will (literally) float your boat

Researchers have demonstrated a new metal matrix composite that is so light that it can float on water. A boat made of such lightweight composites will not sink despite damage to its structure. The new material also promises ...

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